implies

来自「linux下的C语言库源码有一百多M解压后很不错」· 代码 · 共 6 行

# The gnu subdirectory exists for things common to both Linux-based and
# Hurd-based GNU systems.
gnu
# The Hurd provides a rough superset of the functionality of 4.4 BSD.
unix/bsd/bsd4.4